Diffuser grid



FIG. 1 is a top perspective view of the diffuser grid comprising a new, original and ornamental design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof. 

CLAIM We claim the ornamental design for a diffuser grid, as shown and described. 